Broke Your Right Arm? Exercise Your Left. It May Help, Really.
If you sprain an ankle or break a wrist this summer and cannot use one of your limbs, the muscles there will weaken and shrink — unless you exercise those same muscles in your other limb.
According to a fascinating new study, working out the muscles on one side of our bodies can keep the muscles on the other side strong and fit, even if we do not move them at all. The finding has implications for injury recovery and also underscores how capable and confounding our bodies can be.
